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0xSanson
  • Member for 2 years, 10 months
  • Last seen this week
  • web3
7 votes
Accepted

How to decode `encodePacked` data

6 votes
Accepted

Why is my token classified as ERC721 instead of ERC20?

5 votes

Assign a portion of an array into another array

5 votes

When to use .call and abi.encodeWithSignature when calling external function and when not to

5 votes
Accepted

Cold access VS Warm access - Gas Cost Question

4 votes

What is best practice for transferFrom out of these two ways

4 votes
Accepted

How to use nonce to prevent signature replication?

3 votes
Accepted

The codex[2²⁵⁶ - 1 - uint(keccak256(1)) + 1] corresponds to slot 0. How is that possible?

3 votes
Accepted

How do you retrieve exceptions when using .call?

3 votes

How does Uniswap calculate price impact without fee on the swap page?

3 votes
Accepted

Question about the namehash algorithm in EIP-137

3 votes
Accepted

How to systematically build the access list for a transaction to make use of 'warm storage'?

3 votes

SWC-117 signature and ecrecover

3 votes
Accepted

How can we use safeTransferFrom function in a try/catch block?

2 votes
Accepted

Blockhash and Block Timestamp manipulation in PoS

2 votes
Accepted

Web3.js Integration not working

2 votes
Accepted

What's a transfer transaction having the same sender and receiver addresses?

2 votes

What is the maximum size of memory in solidity?

2 votes
Accepted

How does the EVM stack behave between calls to remote contracts

2 votes
Accepted

How to get internal transactions using JSON-RPC methods

2 votes
Accepted

ERC1155 supply extension on OpenZeppelin not importing functions

2 votes

Polygon mainnet has two official ERC20 Link token contract. Which one DEXs use when on polygon mainnet

2 votes

Constantly changing msg.value, how to send correct amount

2 votes
Accepted

How to calculate the continuous price of a bonding curve token

2 votes
Accepted

Is it possible for a callee to DOS a function call if the caller ignores the success value?

2 votes
Accepted

Is there any difference between the "new Contract()" syntax and the assembly "create" opcode?

2 votes
Accepted

What is the best practice for memory allocation in EVM assembly?

2 votes
Accepted

Ethernaut Challenge Shop

2 votes
Accepted

How to disable selling NFTs on opensea?

2 votes
Accepted

ERC2981 NFT Royalties Implementation in a ERC721 Marketplace

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